ci: EPL license

Signed-off-by: sebastien.heurtematte <sebastien.heurtematte@eclipse-foundation.org>

.gitlab-ci.yml

+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: 2022 eclipse foundation
+
 include:
   - project: 'eclipsefdn/it/releng/gitlab-ci-templates'
     file: '/pipeline-compliance.yml'